This data archive contains materials needed to replicate the analyses in the following paper:

Box-Steffensmeier, Janet M., Peter M. Radcliffe, and Brandon L. Bartels. N.d. "The Incidence and Timing of PAC Contributions to Incumbent U.S. House Members, 1993-1994." Legislative Studies Quarterly (Forthcoming).

The following files are contained in the data archive:

1. Stata dataset for the labor PACs (labor.dta).
2. Stata dataset for corporate PACs (corporate.dta).
3. Stata program used to estimate the split population duration models (splitpop.do).
4. Stata .log file containing replications of the labor models (results labor.log).
5. Stata .log file containing replications of the corporate models (results corporate.log).
6. A figure of the baseline hazard rates for the four models (Baseline Hazard Rates Figure.doc).


VARIABLE DEFINITIONS FOR THE LABOR DATASET (coding is described in the paper):

pacrank:	ID number for PAC
candrank:	ID number for incumbent
educatn: 	Education Committee member
prestige: 	Prestige Committee member
seniorty:	Seniority
dleader: 	Majority Leader
rleader: 	Minority Leader
republic:	Party (Republican)
cope:		COPE score 
votepct: 	Previous Electoral Margin 
quality:	Quality challenger 
pquality: 	Primary Quality Challenger 
bcash:		Beginning Cash-on-Hand
lagprecp:	Lagged Receipts
recpsqrd:	Lagged Receipts Squared 
totpct:		Percent Union 
stshare:	In-State Contributions 
homecand:	Home Candidate 
dcpac:		Washington D.C. PAC
large:		1=Large PAC, 0=Small PAC
T:		Duration variable: Time until contribution exchanged
gave:		Censoring indicator: Whether or not a contribution was exchanged


VARIABLE DEFINITIONS FOR THE CORPORATE DATASET (coding is described in the paper):

pacrank:	ID number for PAC
candrank:	ID number for incumbent
energy: 	Energy Committee member
prestige:	Prestige Committee member
seniorty:	Seniority
dleader:	Majority Leader 
rleader: 	Minority Leader
republic: 	Party (Republican)
coc: 		COC score
votepct: 	Previous Electoral Margin 
quality: 	Quality challenger
pquality:	Primary Quality Challenger 
bcash: 		Beginning Cash-on-Hand
lagprecp: 	Lagged Receipts
recpsqrd: 	Lagged Receipts Squared 
stshare: 	In-State Contributions
homecand: 	Home Candidate
dcpac:		Washington D.C. PAC
large:		1=Large PAC, 0=Small PAC
T:		Duration variable: Time until contribution exchanged
gave:		Censoring indicator: Whether or not a contribution was exchanged

